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Contains:  NGC 3628, M 66, NGC 3627, M 65, NGC 3623
Getting plate-solving status, please wait...
The Leo Triplet (LRGB), 


            Scott Davis
The Leo Triplet (LRGB)

The Leo Triplet (LRGB)

Technical card

Resolution: 2000x1474

Dates:March 9, 2013March 29, 2017March 31, 2017

Astrodon 31mm L Tru-Balance E-Series Gen 2: 139x300" -20C bin 1x1
One-Shot Color: 32x180" ISO1600 bin 1x1

Integration: 13.2 hours

Darks: ~40

Flats: ~40

Flat darks: ~40

Bias: ~40

Avg. Moon age: 10.81 days

Avg. Moon phase: 8.23%

Bortle Dark-Sky Scale: 6.00 job: 1519619

RA center: 11h 19' 48"

DEC center: +13° 17' 27"

Pixel scale: 2.514 arcsec/pixel

Orientation: -87.182 degrees

Field radius: 0.867

Locations: My Backyard, Clovis, California, United States; Eastman Lake Recreation Area, Raymond, CA, United States


This is my latest and most successful attempt at imaging the Leo Triplet.

The Luminance frames for this image were shot from my backyard in Clovis, California using my QSI 683wsg-8 camera and Explore Scientific 102 ED telescope. The RGB frames were actually shot in 2013 from Eastman Lake using my Canon 60D and the Orion 8" Astrograph Newtonian. I acquired really pleasing color data in 2013 so I decided to use it instead of capturing new data from my backyard.

I'm really happy with the combined result.



Scott Davis
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


The Leo Triplet (LRGB), 


            Scott Davis